Figure 2 shows the cross-section of a reinforced concrete retaining structure.The retained soil behind the structure and the soil in front of it are cohesionless and has the following properties 35.5 20 y 17 knm, yhet 19 knm the unit weight of concrete is 24 knm3.
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Dead loads self-weight.The density and the related unit weight of the materials used in construction are reinforced concrete 2.50 tm3 25.0 knm3 lightweight concrete for ground leveling 0.80 tm3 8.0 knm3 sand mortar 2.00 tm3 20.0 knm3 marble 2.70 tm3 27.0 knm3 the dead mass of one m2 of the above.
Get Price70 knm2 reinforced concrete unit weight 24.5 knm3 vc unit weight of soil 19 knm3 vs angle of internal friction of soil 30 degree o slash overburden load 10 knm2 q sliding safety factor greater than equals to 1.5 fs eccentricity less than equals to b6 wall type earth retaining wall designed for jis t-25 i.E.
Get PriceJun 27,2020 - a clay layer 5m thick, is covered by a 10mn sandy gravel stratum with porority of 30 and with a unit weight19 knm3.Test on undrained sample of clay gave results as follows knm2correct answer is between 109,112.Can you explain this answer | edurev civil engineering ce question is disucussed on edurev study group by 138 civil engineering ce students.
Get PriceThe unit weight of concrete is 23.60 knm3.1 kn 1,000 newton.1 newton 0.1019 kg.1,000 n 101.9 kgs 1 kn.Unit wt.Of concrete 23.60 x 101.9 kgsm3.
Get PriceA concrete dam retains water as shown in the figure.If the specific weight of concrete is 23.5 knm3, find the factor of safety against sliding and the factor of safety of overturning.Assume there is no hydrostatic uplift and that the coefficient of friction between dam foundation soil is 0.48.
Get PriceDesign values of concrete material properties according to en unit weight.The unit weight of concrete is specified in en1991-1-1 annex a.For plain unreinforced concrete 24 knm 3.For concrete with normal percentage of reinforcement or prestressing steel 25 knm 3.Characteristic compressive strength f ck.The characteristic compressive strength f ck is the first value.
Get PriceUnit weight of concrete 25 knm3 unit weight of brick wall 2.6 knm2 concrete characteristic strength, f ck 25 nmm2 steel characteristic strength, f yk 500 nmm2 nominal cover, c nom 25 mm use main reinforcement, main 20 mm use shear reinforcement, link 6 mm.
Get PriceUnit weight of standard reinforcing steel bar is 7850 kg per cubic mere velsamy mallaiah, mobile 9884585625.
Get PriceThe unit weight if different civil engineering materials including brick, cement, concrete and aggregate are as follows material unit weight water 1000 kg m3 bricks broken 1420 kg m3 brickscommon 1600 kg m3 cementordinary 1440 kg m3 cement rapid hardening 1250 kg m3 cement mortar 2000 kg m3 cement concrete plain 2400 kg m3continue reading what is the unit weight.
Get PriceThe specific weight also known as the unit weight is the weight per unit volume of a material.The symbol of specific weight is gamma.A commonly used value is the specific weight of water on earth at 5c which is 9.807 knm3 or 62.43 lbfft3.
Get PriceThe density of concrete is a measure of its unit weight.Concrete is a mixture of cement, fine and coarse aggregates, water, and sometimes some supplementary materials like fly ash, slag, and various admixtures.A normal weight concrete weighs 2400 kg per cubic meter or.
Get PriceAdditional wall properties are also impacted by wall weight, although estimates of these properties are based on concrete density or aggregate type, rather than directly on wall weight.Tek 2-6, density-related properties of concrete masonry assemblies ref.4, also discusses the various physical and design properties inuenced by the.
Get PriceDensity of construction materials are its mass per unit volume of materials.It is expressed in kgm3 or lbft3 and shows compactness of building material.
Get PriceThe weight of reinforced concrete is 25 knm and the thickness of the slab is 250mm or 0.25m.So i assumed that to get knm2 i would need to times 25 by 0.25 which would equal to 6.25 knm2 which seems right.Though i would think that knm3 to knm2 would be knm3 x the thickness.This has got me extremely confused.I have searched on the internet for answers and have confused myself more.
Get PriceThe unit weight of the concrete is 24 knm3 and the soil has unit weight 18 knm3.The soil peak strength parameters are ft 38, c 0 and the safe bearing capacity of the soil is 250 knm2.The soil behind the wall carries a uniform surcharge of intensity 10 knm2.Check the safety of the proposed design a in accordance with bs 8002.
Get PriceStructural lightweight concrete has an in-place density unit weight on the order of 90 to 115 lb ft 3 1440 to 1840 kgm compared to normalweight concrete with a density in the range of 140 to 150 lb ft 3 2240 to 2400 kgm.For structural applications the concrete.
Get PriceUnit weight is one of a number of related basic physics terms that leads some students to confusion.Also called specific weight, unit weight is in a family of terms that, loosely speaking, define and relate size volume, amount mass, concentration density and force weight, along with specific gravity.
Get PriceThe unit weight of reinforced concrete for both dead load and modulus of elasticity shall be taken as 160 pcf for all structural analysis, except as approved by the bridge design engineer for unique designs like floating bridges.See the bridge design manual, section 4.1.1 and 6.1.2b.
Get Price20 knm3 fill 1m base slab 5m medium dense silty sand.Concrete24 knm 3.75 6 a note in coulombs active earth pressure theory, the forces to be considered are only pacoulomb and weight of the wall i.E.The weight of the soil.
Get PriceA dry unit weight, moist unit weight knm3.B weight of water in knm3 to be added for 80 degree of saturation.C is it possible to reach a water content of 30 without change the present void ratio.D is it possible to compact the soil sample to a dry unit weight of 23.5 knm3.Solution givens e0.72 , w 12 , g 2.72 a.
Get PriceConcrete 1680-3000 kgm3 water 1000 kgm3 unit weight recall that g rock 26.5 k m3 gravel soil 19 k m3 sandy soil 16 k m3 silty soil 20 k m3 clay soil 18 k m3 water 9.8 k m3 concrete 23 k m3 steel 78 k m3 porosity gravel 30-40 sand 20-35 silt 35-50 clay 33-60.
Get PriceThe concrete has a unit weight of 24 knm3 and a fc of 30 nmm2.The dead load consists of the self weight of the structure plus an additional 1 knm2.The live load is 4 knm2.Example eurocode 2-04 rc-pn-001 - 1 software verification program name.
Get PriceConcrete is considered to be lightweight is the density is not more than 2200kgm 3 the density of normal weight concrete is assumed to be between 2300kgm 3 and 2400kgm 3 and a proportion of the aggregate should have a density of less than 2000kgm 3.Lightweight concrete can be specified using the notation lc for the strength class, e.G.
Get PriceUnit weight 01.Concrete 25 knm3 02.Brick 19 knm3 03.Steel 7850 kgm3 04.Water 1000 ltm3 05.Cement 1440 kgm3 06.1gallon 4.81 litres 07.Link 8 200mm 08.1 hectare 2.471 acr10000m2 09.1 acr 4046.82m2 100 cent development length 01.Compression 38d 02.Tension 47 60d 03.1 cent 435.60 sft 04.1 meter 3.2808 ft 05.1 m2 10.76.
Get PriceConcrete consistency established by slump method is s 3 and iii homogenous grade.It is known ag 3 2.7 kgdm for aggregate, c 3.0 kgdm 3 3for cement, p 20 dm m3 air volume.Concrete code c 2025-s 3.
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